# Crystal, ECX-33B2Q Series, 25 MHz, 20 ppm, 50 ppm, 12 pF

![Product image](https://novapart.co/image/farnell:4645702/)

**URL**: https://novapart.co/products/ECS-250-12-33B2Q-JES-TR3/crystal-ecx-33b2q-series-25-mhz-20-ppm-50-12-pf
**SKU**: ECS-250-12-33B2Q-JES-TR3
**Manufacturer**: ECS INC INTERNATIONAL
**Category**: Crystals & Oscillators || Crystals
**Price**: €0.1440
**Stock**: 1000+
**Lead Time**: 78 days (indicative)

## Specifications

| Parameter | Value |
|---|---|
| Svhc | No SVHC (04-Feb-2026) |
| Frequency Nom | 25MHz |
| Product Range | ECX-33B2Q Series |
| Load Capacitance | 12pF |
| Crystal Frequency | 25MHz |
| Crystal Case / Package | SMD, 3.2mm x 2.5mm |
| Frequency Stability + / - | 50ppm |
| Frequency Tolerance + / - | 20ppm |
| Operating Temperature Max | 125°C |
| Operating Temperature Min | -40°C |

## Datasheet

📄 [Download PDF](https://novapart.co/datasheet/farnell:4645702/)

## Ror 

The ECX-33B2Q is a miniature SMD Crystal with a 3.2 x 2.5 mm footprint.  AEC-Q200 Qualified. 

**ECX-33B2Q SMD CRYSTAL Request a Sample** = 

## **OPERATING CONDITIONS / ELECTRICAL CHARACTERISTICS** 

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**----- Start of picture text -----**<br>
ECX-33B2Q SMD CRYSTAL<br>**----- End of picture text -----**<br>


|**ECX-33B2Q SMD CRYSTAL**|||**OPERATING CONDITIONS / ELECTRICAL CHARACTERISTICS**|**OPERATING CONDITIONS / ELECTRICAL CHARACTERISTICS**|**OPERATING CONDITIONS / ELECTRICAL CHARACTERISTICS**|**OPERATING CONDITIONS / ELECTRICAL CHARACTERISTICS**|**OPERATING CONDITIONS / ELECTRICAL CHARACTERISTICS**|**OPERATING CONDITIONS / ELECTRICAL CHARACTERISTICS**|**OPERATING CONDITIONS / ELECTRICAL CHARACTERISTICS**|**OPERATING CONDITIONS / ELECTRICAL CHARACTERISTICS**|**OPERATING CONDITIONS / ELECTRICAL CHARACTERISTICS**|
|---|---|---|---|---|---|---|---|---|---|---|---|
||||**PARAMETERS**||**CONDITIONS**||||**ECX-33B2Q**||**UNITS**|
||||||||**MIN**<br>**TYP**|||**MAX**||
||||Frequency|||||8.000||54.000|MHz|
||||Mode of Oscillation<br>~~a~~||Fundamental<br>~~OO~~|||||||
|Low Profile|||FrequencyTolerance*<br>@+25°C<br>Frequency Stability*<br>-40 ~ +150°C<br>(VY Option)<br>Shunt Capacitance<br>Co<br>Load Capacitance<br>Specifyin P/N<br>8<br>~~a~~<br>~~SC~~<br>~~pf~~<br>~~a~~|||||||± 30<br>± 150<br>2|ppm<br>ppm<br>pF<br>pF|
|3.2 x 2.5 mm Footprint<br> RoHS Compliant<br> AEC-Q200 Qualified<br>**DIMENSIONS (mm)**|||Drive Level<br>DL<br>200<br>μW<br>Operating<br>Temperature*<br>Topr<br>(VY Option)<br>-40<br>+150<br>°C<br>Storage Temperature<br>Tstg<br>-55<br>+150<br>°C<br>Aging (First Year)<br>@ +25°C ±3°C<br>±2<br>ppm<br>~~a~~<br>~~pH}~~<br>~~{|~~<br>~~|~~<br>~~|~~<br>~~|~~<br>~~|,~~<br>~~|~~<br>~~[| fi~~|||||||||
|3.2+0.1|0.4||1.2<br>pe||||||**Frequency (MHz)         ESR Ω Max.**|||
|a {|<br>So<br>4<br>H|||U,1} 2YA<br>[_]||||||8.000 ~ 9.999<br>10.000 ~ 15.999<br>16.000 ~ 19.999||500<br>100<br>70|
||||||||||20.000 ~ 25.999||50|
||||||||||26.000 ~ 54.000||35|
|||||||||||||
||||||**Pad Connections**|||||||
|**_Figure 1)_**_Top, Side, and Bottom_|||||1<br>In/Out<br>2<br>Gnd<br>3<br>Out/In||||i \\||=|
|Crystal is symmetrical, pad 1 & 3 are interchangeable.<br>Chamfer on the bottom pad has no electrical|||Crystal is symmetrical, pad 1 & 3 are interchangeable.||4<br>Gnd|||||||



- Low Profile 

- 3.2 x 2.5 mm Footprint 

- RoHS Compliant 

- AEC-Q200 Qualified 

_**Figure 1)** Top, Side, and Bottom_ 

Crystal is symmetrical, pad 1 & 3 are interchangeable. Chamfer on the bottom pad has no electrical significance and can be on pad 1 or 4. 

_**Figure 2)** Suggested land_ 

**PART NUMBERING GUIDE:  Example ECS-200-8-33B2Q-VY-TR3** 

|**ECS -  FREQUENCY ABBREVIATION**|**ECS -  FREQUENCY ABBREVIATION**|**LOAD**||||**PACKAGE**|**PACKAGE**|**PACKAGE**|||**AVAILABLE OPTIONS**<br>**PACKAGING**|**AVAILABLE OPTIONS**<br>**PACKAGING**|**AVAILABLE OPTIONS**<br>**PACKAGING**||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|||**CAPACITANCE**|||||||Tolerance           Stability                 Temp Range||||||
||||||||||||||||
|8 = 8 pF<br>10 = 10 pF<br>18 = 18  pF<br>S = Series<br>200 = 20.000  MHz<br>See P/N Guide<br>ECS<br>* Specify available options in P/N.<br>† Contact ECS for availability over extended temp range.|||||33B2Q =<br>ECX-33B2Q|||Blank = ±30ppm<br>A = ± 25ppm<br>J = ± 20ppm<br>R = ± 15ppm<br>C = ± 10ppm||V=±150 ppm<br>D= ±100 ppm †<br>E = ± 50 ppm †<br>G = ± 30 ppm †<br>H = ± 25 ppm †<br>T = ± 20 ppm †<br>W = ±15 ppm †<br>K = ± 10 ppm †<br>L =   -10 ~ +70°C<br>M = -20 ~ +70°C<br>N =  -40 ~ +85°C<br>P =  -40 ~ +105°C<br>S =  -40 ~ +125°C<br>U =  -55 ~ +125°C<br>Y = -40 ~ +150°C<br>-__|||TR =1K<br>TR3=3K<br>Qty/Reel<br>Rev.2024||



* Specify available options in P/N. † Contact ECS for availability over extended temp range. 

## RoHS **ECX-33B2Q** COMPLIANT **SMD CRYSTAL** 

## **POCKET TAPE DIMENSIONS (mm)** 

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**SOLDER PROFILE** Peak solder Temp +260°C Max 10 sec Max. 2 Cycles Max. MSL 1, Lead Finish Au 

|**DEVELOPED FREQUENCIES**<br>~~-_—+-——~~|**DEVELOPED FREQUENCIES**<br>~~-_—+-——~~|
|---|---|
|Abbreviation<br>~~-_—+-——~~|Frequency (MHZ)<br>~~-_—+-——~~|
|80<br>~~-_—+-——~~|8.000<br>~~-_—+-——~~|
|100<br> ~~-_—+-——~~|10.000<br>~~-_—+-——~~|
|120|12.000|
|122.8|12.288|
|130|13.000|
|135.6|13.560|
|143|14.31818|
|147.4|14.7456|
|160|16.000|
|163.8|16.384|
|184|18.432|
|196.6|19.6608|
|200|20.000|
|221|22.1184|
|240|24.000|
|245.7|24.576|
|250|25.000|
|260|26.000|
|270|27.000|
|286.3|28.63636|
|300|30.000|
|320|32.000|
|330|33.000|
|400|40.000|
|480|48.000|



_**Figure 1)** Suggested Reflow Profile_ 



## Links

- [View this product on Novapart](https://novapart.co/products/ECS-250-12-33B2Q-JES-TR3/crystal-ecx-33b2q-series-25-mhz-20-ppm-50-12-pf)
- [Request a quote for this part](https://novapart.co/quote/)
- [Supplier page](https://es.farnell.com/ecs-inc-international/ecs-250-12-33b2q-jes-tr3/crystal-25mhz-12pf-smd-3-2mm-x/dp/4645702)
---

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